<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>模拟登录过程</title>
	<script type="text/javascript">

		// 存储跳转的源页面
		var backurl = document.referrer;

		

		// 处理中间的登录的逻辑 如果成功


		// 跳转

		window.location.href = backurl;




	</script>
</head>
<body>
	
</body>
</html>